package org.cuatrovientos.erp.controller;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.validation.Valid;

import org.apache.log4j.Logger;
import org.cuatrovientos.erp.business.StateBOInterface;
import org.cuatrovientos.erp.model.State;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.beans.factory.annotation.Autowired;

/**
 * Controller class form State management
 * 
 * @author VB
 */
@Controller
public class StateController {

	// Get log4j logger
	private static final Logger logger = Logger.getLogger(StateController.class);

	@Autowired
	private StateBOInterface stateBO;

	/**
	 * default constructor
	 */
	public StateController() {
		logger.info("State BEAN instantiated");
	}

	/**
	 * handles default /state or /state/list request
	 * 
	 * @param model
	 * @return the name of the view to show
	 * @RequestMapping({"/state","/state/list" )
	 */
	@RequestMapping({ "/state", "/state/list" })
	public ModelAndView stateDefault() {
		logger.info("default");

		Map<String, Object> model = new HashMap<String, Object>();

		List<State> stateList = stateBO.selectAll();
		model.put("states", stateList);
		return new ModelAndView("StateList", model);
	}

	/**
	 * handles /state/search request, redirected to default page
	 * 
	 * @param model
	 * @return the name of the view to show
	 * @RequestMapping({"/state/search" )
	 */
	@RequestMapping(method = RequestMethod.POST, value = { "/state/search" })
	public ModelAndView search(@RequestParam(value = "name", defaultValue = "", required = true) String name) {
		logger.info("search");

		Map<String, Object> model = new HashMap<String, Object>();

		List<State> stateList = stateBO.search(name);
		model.put("states", stateList);

		return new ModelAndView("StateList", model);
	}

	/**
	 * handles delete state, and redirect to state default
	 * 
	 * @param model
	 * @return the name of the view to show
	 * @RequestMapping({"/state","/state/list" )
	 */
	@RequestMapping(method = RequestMethod.GET, value = { "/state/delete" })
	public String deleteState(@RequestParam(value = "id", defaultValue = "", required = true) int id) {
		logger.info("delete " + id);

		stateBO.deleteById(id);
		return "redirect:/state";
	}

	/**
	 * handles new state request. In the jsp we are using spring's form:form
	 * tags Spring expects a model called by default 'command' or any name we
	 * set to it: in this case "state"
	 * 
	 * @return the name of the view to show
	 * @RequestMapping({"/state/new" )
	 */
	@RequestMapping(method = RequestMethod.GET, value = { "/state/new" })
	public ModelAndView newState() {
		logger.info("new state ");
		State state = new State();

		return new ModelAndView("NewState", "state", state);
	}

	/**
	 * handles new state request. In the jsp we are using spring's form:form
	 * tags Spring expects a model called by default 'command' or any name we
	 * set to it.
	 * 
	 * @return the name of the view to show
	 * @RequestMapping({"/state/new" )
	 */
	@RequestMapping(method = RequestMethod.POST, value = { "/state/save" })
	public String newState(@Valid State state,BindingResult bindingResult) {
		logger.info("new state " + state.toString());

		// In case of validation errors, go back to form
		if (bindingResult.hasErrors()) {
			Map<String, Object> model = new HashMap<String, Object>();
			model.put("state", state);
			return "NewState";
		}

		// If data is ok, insert and go on
		stateBO.insert(state);
		return "redirect:/state";
	}

	/**
	 * handles delete state, and redirect to state default
	 * 
	 * @param model
	 * @return the name of the view to show
	 * @RequestMapping({"/state","/state/list" )
	 */
	@RequestMapping(method = RequestMethod.GET, value = { "/state/detail" })
	public ModelAndView stateDetail(@RequestParam(value = "id", defaultValue = "", required = true) int id) {
		logger.info("Detail " + id);
		Map<String, Object> model = new HashMap<String, Object>();
		State state = stateBO.selectById(id);
		model.put("state", state);

		return new ModelAndView("StateDetail", model);
	}

	/**
	 * handles state update, first part: register loaded
	 * 
	 * @param model
	 * @return the name of the view to show
	 * @RequestMapping({"/state/update" )
	 */
	@RequestMapping(method = RequestMethod.GET, value = { "/state/update" })
	public ModelAndView update(@RequestParam(value = "id", defaultValue = "", required = true) int id) {
		logger.info("update " + id);
		Map<String, Object> model = new HashMap<String, Object>();
		State state = stateBO.selectById(id);
		model.put("state", state);
		return new ModelAndView("UpdateState", model);

	}

	/**
	 * handles save update state request. In the jsp we are using spring's
	 * form:form tags Spring expects a model called by default 'command' or any
	 * name we set to it.
	 * 
	 * @return the name of the view to show
	 * @RequestMapping({"/state/saveUpdate" )
	 */
	@RequestMapping(method = RequestMethod.POST, value = { "/state/saveupdate" })
	public String saveUpdate(@Valid State state,BindingResult bindingResult) {
		logger.info("update state " + state.toString());

		// In case of validation errors, go back to form
		if (bindingResult.hasErrors()) {
			Map<String, Object> model = new HashMap<String, Object>();
			model.put("state", state);
			return "UpdateState";
		}

		stateBO.update(state);
		return "redirect:/state";
	}
}
